# list symlinks in detail (more detailed version of 'readlink -f' and 'whence -s')
sll() {
[ -z "$1" ] && printf 'usage: %s <file>\n' "$0" && exit 1
# list symlinks in detail (more detailed version of 'readlink -f' and 'whence -s')
sll() {
[ -z "$1" ] && printf 'usage: %s <file>\n' "$0" && exit 1